Kobe, Japan

Hiroki Kawai

This inventor holds 12 USPTO granted patents and 4 published patent applications and 6 EPO patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Kawai. Retrieved from https://idiyas.com/inventor/hiroki-kawai-s0vdo50h

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 12 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.6

ph-index = 1


Company Filing History:


Years Active: 2023-2026

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12 patents (USPTO):Explore Patents

Title: Hiroki Kawai: Innovator in Pneumatic Tire Technology

Introduction

Hiroki Kawai is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of tire technology, holding a total of 12 patents. His innovative designs focus on enhancing the performance and durability of pneumatic tires.

Latest Patents

Kawai's latest patents include advancements in pneumatic tire design. One notable patent describes a pneumatic tire with a tread composed of at least two types of rubber compositions that differ in thermal conductivity. This design aims to optimize the tire's performance under various conditions. Another patent focuses on reducing rolling resistance during high-speed running while improving durability. This tire features a side portion with a rubber layer thickness of 3 mm or less, ensuring optimal performance.

Career Highlights

Hiroki Kawai is currently employed at Sumitomo Rubber Industries Limited, a leading company in the tire manufacturing industry. His work has been instrumental in developing innovative tire solutions that meet the demands of modern vehicles.

Collaborations

Kawai collaborates with talented coworkers, including Momoka Misaki and Dong Miao. Their combined expertise contributes to the advancement of tire technology and innovation.

Conclusion

Hiroki Kawai's contributions to pneumatic tire technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material properties and performance requirements, positioning him as a key figure in the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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